Format and convert

The truth is that programmers often need to embed dynamic variables into static string patterns. To accomplish this feat we used to write something like:
or even
A good news is that Scala 2.10 brings a shiny new string interpolation:
The new syntax is more concise, offers more static checking and provides a better runtime performance.

To facilitate the transition, Scala plugin introduced a new group of intentions to easily convert between all the variants of string formatting:

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In addition, we now have a complete format string and argument verification in the following places:

"…".format(…)

….formatted("…")

String.format("…", …)

printf("…", …)

System.out.printf("…", …)

Interpolated strings

The verification is even more fine-grained than the similar one in Java:
All the functionality is already available in the Scala plugin nightly builds (Nika | Leda).